HG2952-2003尿素二氧化碳汽提塔技术条件

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1、ICS71.120.10;75.180.20;23.020.30G=I3备案号:13188-2004HG中华人民共和国化工行业标准HG2952-2003代替HG2952-1989尿素二氧化碳汽提塔技术条件Specificationsforureacarbondioxidestripper2004-01-09发布2004-05-01实施中华人民共和国国家发展和改革委员会发布HG2952-2003目次m前言范围2规范性引用文件3术语和定义4要求基本要求4.2材料一4.2低合金钢·⋯一4.2.2尿素级不锈钢4.2.3材料复验···························

2、·························································.············⋯⋯54.2.4标记移植···，············‘········，····················，··，······4·················⋯⋯，，.····⋯⋯，·.⋯⋯64.3制造··············································，·····················，·····································⋯⋯64.

3、3.1一般规定········································································，··········。············‘⋯⋯64.3.2封头····················，甲。········，······················，，···················，价·········，，············⋯⋯64.3.3管板·································································

4、····································，·⋯⋯64.3.4筒体、衬里·····························‘········，·····················，·，··················，········⋯⋯，，⋯⋯64.3.5组装···················，························································，，，·····················，，·⋯⋯74.3.6焊接·····················

5、····················································································⋯⋯74.3.7热处理······，··1············，，·......................................·，····，，，，，···········一84.3.8产品试板···，······················，··································，····································

6、⋯⋯95检验和试验······························，························‘·····一，················.·.....··········..⋯⋯95.1焊接接头的外观质量检查···························，，························，···················一‘二‘二95.2无损检测·····························，·······························，············，····

7、················..·⋯⋯95.3铁素体检测··，，，···················，·，····················，·······························，·，·········⋯⋯115.4硬度检测·······························，···········‘························································，··⋯115.5尺寸检查·····················